mirror of
https://github.com/jazzband/django-dbtemplates.git
synced 2026-04-24 00:44:44 +00:00
77 lines
2.9 KiB
Python
77 lines
2.9 KiB
Python
from django import forms
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from django.conf import settings
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from django.contrib import admin
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from django.utils.translation import ungettext, ugettext_lazy as _
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from dbtemplates.models import Template, backend, remove_cached_template, \
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add_template_to_cache
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# Check if django-reversion is installed and use reversions' VersionAdmin
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# as the base admin class if yes
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if 'reversion'in settings.INSTALLED_APPS:
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from reversion.admin import VersionAdmin as TemplateModelAdmin
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else:
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from django.contrib.admin import ModelAdmin as TemplateModelAdmin
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class TemplateAdminForm(forms.ModelForm):
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"""
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Custom AdminForm to make the content textarea wider.
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"""
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content = forms.CharField(
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widget=forms.Textarea({'cols': '80', 'rows': '24'}),
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help_text=_("Leaving this empty causes Django to look for a template "
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"with the given name and populate this field with its content."),
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required=False)
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class Meta:
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model = Template
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class TemplateAdmin(TemplateModelAdmin):
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form = TemplateAdminForm
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fieldsets = (
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(None, {
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'fields': ('name', 'content', 'sites'),
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'classes': ('monospace',),
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}),
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(_('Date/time'), {
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'fields': (('creation_date', 'last_changed'),),
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'classes': ('collapse',),
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}),
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)
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list_display = ('name', 'creation_date', 'last_changed', 'site_list')
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list_filter = ('sites',)
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search_fields = ('name', 'content')
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if backend:
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actions = ['invalidate_cache', 'repopulate_cache']
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def invalidate_cache(self, request, queryset):
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if not backend:
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self.message_user(request, ("There is no active cache backend."))
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return
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for template in queryset:
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remove_cached_template(template)
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message = ungettext(
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"Cache of one template successfully invalidated.",
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"Cache of %(count)d templates successfully invalidated.",
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len(queryset))
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self.message_user(request, message % {'count': len(queryset)})
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invalidate_cache.short_description = _("Invalidate cache of selected templates")
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def repopulate_cache(self, request, queryset):
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if not backend:
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self.message_user(request, ("There is no active cache backend."))
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return
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for template in queryset:
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add_template_to_cache(template)
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message = ungettext(
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"Cache successfully repopulated with one template.",
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"Cache successfully repopulated with %(count)d templates.",
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len(queryset))
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self.message_user(request, message % {'count': len(queryset)})
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repopulate_cache.short_description = _("Repopulate cache with selected templates")
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def site_list(self, template):
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return ", ".join([site.name for site in template.sites.all()])
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site_list.short_description = _('sites')
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admin.site.register(Template, TemplateAdmin)
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